261 



a o 



PERIOD OF BEAcnon Df imnn^. 





PBRIOD OF REAcnon in HimiTES. 

 10 IS 20 25 30 35 40 45 60 55 K 



PERIOD OF BEACnOB W UlireTBS. 



PERIOD OF REACnon ffl HUnTTBS. 



Vl 



PKSIOD OP R£ACnON Qt HIHDTBS. 



20 25 30 35 40 45 50 88 M 



Charts 668 to D 682. — Vehdty-Reactions of Starch of Iris' iberica with various reagents, showing the percentage of 

 the entire number of grains ( ) and of the total starch ( ) gelatinized. 



668. With Chloral Hydrate. 



669. With Chromic Acid. 



670. With Pyrogallic Acid. 



671. With Nitric Acid. 



672. With Sulphuric Acid. 



673. With Hydrochloric Acid. 



674. With Potasaium Hydroxide. 



675. With Potasaium Iodide. 



676. With Potaasium Sulphocyanate. 



677. With Potassium Sulphide. 



678. With Sodium Hydroxide. 



679. With Sodium Sulphide. 



680. With Sodium Salicylate. 



681. With Calcium Nitrate. 



682. With Uranium Nitrate. 



